Update mastodon.sh

adding required lines for running the script as a cronjob

mastodon.sh

@@ -1,11 +1,20 @@
 #!/bin/bash
 
 #written by Daniel Wenzlik 2024 - https://danielwenzlik.com
+#modified by Daniel Wenzlik 2026 - https://danielwenzlik.com
 #Script under the GNU AGPLv3 license.
 
+# making rbenv/Ruby accessible for the user/script
+export HOME="/home/mastodon"
+export PATH="$HOME/.rbenv/bin:$HOME/.rbenv/shims:/usr/local/bin:/usr/bin:/bin"
+
+# initialise rbenv
+eval "$("$HOME/.rbenv/bin/rbenv" init - bash)"
+
 #using the correct directory
 echo "Navigating to the Mastodon Directory now";
 cd /home/mastodon/live/;
+export RAILS_ENV=production
 
 #deleting cache files
 echo "Clearing cache";